某企业有四种现金持有方案,各方案有关成本资料见下表:单位:元要求:计算该企业的最佳现 发布时间:2017-07-08 09:19 │ 来源:www.tikuol.com 题型:问答题 问题: 某企业有四种现金持有方案,各方案有关成本资料见下表:单位:元要求:计算该企业的最佳现金持有量。
题型:问答题 —The bell rang for a long time. Why not answer it?—I ______ taking a bath on the second floor. [ ]A. is B. was C. were D. are 查看答案